50.388011 6.910648 50.389713 6.912922 50.388011 6.910648 50.389713 6.912922 50.388011 6.912922 50.388117 6.912571 50.388238 6.912197 50.388354 6.911921 50.388402 6.911794 50.388439 6.911696 50.388466 6.911662 50.388590 6.911505 50.388752 6.911365 50.388986 6.911201 50.389187 6.911062 50.389306 6.910911 50.389374 6.910825 50.389430 6.910730 50.389478 6.910648 50.389713 6.910664 158660 Entwicklung Quellen und Quellbäche Gewässerkundliches Flächenverzeichnis